"Our study indicates that fragile arctic ecosystems may be more at risk from mercury pollution than ecosystems in other parts of the world," says Mr. Lavoie. "In addition, arctic food webs may be slower to respond to current efforts to reduce mercury pollution. Our study highlights the need for consistent data collection and collaboration to monitor mercury in food webs across the globe."
While mercury is produced naturally by volcanoes and forest fires, global mercury production have increased hugely because of human activities such as coal burning and artisanal gold extraction.
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